[Insight-users] How to compute "PCA shape model"?

[sun]

Hi all:
     I am using the filter "Geodesic Active Contours Segmentation with Shape Guidance" to 
segment my image now.But the quoted  code just reads in a "PCA shape model" that has been pre-computed  
earlier. I want to know how to compute such a shape model in  ITK.
Who can help me?
                                      sun li


 
 
 
 
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